package com.shopping.adminServlet;

import java.io.IOException;
import java.util.Map;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.fasterxml.jackson.databind.ObjectMapper;
import com.shopping.bean.Page;
import com.shopping.bean.User;
import com.shopping.service.AdminService;
import com.shopping.service.impl.AdminServiceImpl;

/**
 * @author 216
 *	后台获取用户
 */
@WebServlet("/getUser.do")
public class AdminServletGetUser extends HttpServlet{

	@Override
	protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
		Map<String,String[]> map = req.getParameterMap();
		AdminService as = new AdminServiceImpl();
		ObjectMapper om = new ObjectMapper();
		Page<User> page = as.findAllUser(map);
		resp.setCharacterEncoding("UTF-8"); //设置 后端给前端传回的编码格式为utf-8
		resp.setContentType("application/json");// 后端告知前端 返回的数据 是 json格式(不是html /css)
		resp.getWriter().print(om.writeValueAsString(page));
	}

	@Override
	protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
		doGet(req,resp);
	}

}
